44059542349681 has 4 divisors (see below), whose sum is σ = 44059862564212. Its totient is φ = 44059222135152.

The previous prime is 44059542349657. The next prime is 44059542349727. The reversal of 44059542349681 is 18694324595044.

44059542349681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26963665949025 + 17095876400656 = 5192655^2 + 4134716^2 .

It is a cyclic number.

It is not a de Polignac number, because 44059542349681 - 2²¹ = 44059540252529 is a prime.

It is a super-2 number, since 2×44059542349681² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44059542349601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159900786 + ... + 160176091.

It is an arithmetic number, because the mean of its divisors is an integer number (11014965641053).

Almost surely, 2^{44059542349681} is an apocalyptic number.

It is an amenable number.

44059542349681 is a deficient number, since it is larger than the sum of its proper divisors (320214531).

44059542349681 is a wasteful number, since it uses less digits than its factorization.

44059542349681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320214530.

The product of its (nonzero) digits is 149299200, while the sum is 64.

The spelling of 44059542349681 in words is "forty-four trillion, fifty-nine billion, five hundred forty-two million, three hundred forty-nine thousand, six hundred eighty-one".